Vapour-Densities of some Carbon Compounds. 511 

 Benzene. Sample A. T. 



Weight of substance=:0'2(>700 gram. Temperature = 129"60°. 



Volume in C.C3 179-937 1(>209 14287 126-39 10705 



Pressure in mms 453-44 502-72 569-34 641-99 755*41 



Vv.'mT 789-48 788-49 787-09 785-17 782-52 



Weight the same. Temperature =99-71°. 



Yolumeinc.es 179-83 162-00 142-79 126-34 



Pressure in mms 418-86 464-19 525-46 592-44 



Vv'inT 787-39 786-10, 784-30 782-40 



Sample B. II. 

 Weight of substauce = 0-18606 gram. Temperature^ 129-60°. 

 Volume ... 229-24 202-08 179-62 156-48 134-71 114-69 95-075 



Pressure ... 239-35 271-31 304-85 349-22 404-88 474-41 570-09 



Pv.mT 792-24 791-61 790-64 789-03 787*52 785-64 782-61 



Weight the same. Temperature =99-7P. 

 Volume ... 229-46 202-25 179-77 156-62 134-83 114-36 98-80 



Pressure ... 258-84 293-32 329-62 377-82 438-12 513-50 617-98 



VvlniT 793-82 792-92 791-98 790'88 789-52 787-86 785-98 



Compressibility at 129-6"^. 



Volume 55-505 29276 17-532 11-162 



Pressure 40-047 75-893 126-59 198-50 



•Factor 0-35875 0-35875 035875 0-35875 



Tv/mT 797-44 797-09 796-20 79488 



Pi'/mT at zero pressure =798*1. 



Hexane. Sample A. I. 

 Weight of substance =0-29424 gra.ms=?n. Temperature=99-71'^ 



Volume in c.cs 218-37 198-47 153-86 13293 



Pressure in mms 358-38 393-63 505-15 582-28 



TvmT 714-54 713-30 709-63 706-71 



Weight the same. Temperature =114-90°. 



Yolumeinc.es 218-47 198-56 153-93 132-99 



Pressure in mms 373-27 409-98 526-33 607-21 



VvmT 715-38 714-12 711-81 708-37 



Weight the same. Temperature= 129-6°. 



Yolumeinc.es 239-11 218-56 198'64 175-73 15399 



Pressure in mms 355-02 388-07 426-48 480-98 547-55 



-pvmT 717-44 716-83 715-99 714-33 712-63 



Sample A. II. 



Weight of substance =0-19298 gram. Temperature = 129-60°. 



Volumeinc.es 229-43 202-22 156-58 134-77 114-78 95-15 



Pressure in mms. ... 243-67 276-04 355-54 412-34 483-01 580-73 

 Po«T 720-42 719-34 717-37 716-12 714-43 711-93 



Weight the same. Temperature =99-71°. 



Volume 229-23 202-05 17959 156-44 134-65 114-68 95133 



Pressure 22537 2.55-21 286-84 328-59 380-76 445-88 535-54 



PfwT 719-21 717-85 716-97 715-62 713-77 711-67 708-65 



Compressibility at 129-60°. 



Volume 52-472 27-660 16-562 10-.540 



Pressure 40-047 75-893 126-59 198-.50 



Factor 0-3446 0-3146 0-3446 0-344(5 



-Pv.mT 724-24 723-51 722-61 721-10 



